private void View_screen_paint(object sender, PaintEventArgs e)
{
if (Sight.Checked)
{
Graphics g = e.Graphics;
Pen redPen = new Pen(Color.FromArgb(128, 255, 0, 0), 2);
Type pboxType = ViewScreen.GetType();
PropertyInfo irProperty = pboxType.GetProperty("ImageRectangle", BindingFlags.GetProperty | BindingFlags.NonPublic | BindingFlags.Instance);
Rectangle rectangle = (Rectangle)irProperty.GetValue(ViewScreen, null);
int H = rectangle.Height - 1;
int W = rectangle.Width - 1;
int X = rectangle.Left;
int Y = rectangle.Top;
int Small = W / 4;
int Large = W / 2;
g.DrawLine(redPen, 0 + X, 0 + Y, W + X, H + Y);
g.DrawLine(redPen, 0 + X, H + Y, W + X, 0 + Y);
g.DrawLine(redPen, W / 2 + X, H + Y, W / 2 + X, 0 + Y);
g.DrawLine(redPen, 0 + X, H / 2 + Y, W + X, H / 2 + Y);
g.DrawEllipse(redPen, W / 2 - Small / 2 + X, H / 2 - Small / 2 + Y, Small, Small);
g.DrawEllipse(redPen, W / 2 - Large / 2 + X, H / 2 - Large / 2 + Y, Large, Large);
redPen.Dispose();
}
}
private void DragMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && MainStatus.Destination != null)
{
PropertyInfo pInfo = ViewScreen.GetType().GetProperty("ImageRectangle",
System.Reflection.BindingFlags.Public |
System.Reflection.BindingFlags.NonPublic |
System.Reflection.BindingFlags.Instance);
Rectangle rectangle = (Rectangle)pInfo.GetValue(ViewScreen, null);
MouseMag = Convert.ToDouble(MagFactor.Text) / rectangle.Width; // microscope magnification inches per pixel
double dMouseX = e.X - DragMouseStartX;
double dMouseY = e.Y - DragMouseStartY;
double NewX = DragAxisStartX - MouseMag * dMouseX;
double NewY = DragAxisStartY + MouseMag * dMouseY;
WriteLineHandleException(String.Format("MoveExp0={0} 0.2", NewX * XResolution));
WriteLineHandleException(String.Format("MoveExp1={0} 0.2", NewY * YResolution));
}
}